Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
va thanh » gia thanh, ban thanh, le thanh
cham xuc » cam xuc, chat xuc, cham soc
dau tren » dau tien, dat tren, dau tieng
lang ha » long ha
hieu va » lieu va, hieu qua
va tinh » may tinh
lang xa » dang xay, lang van
dai dau » doi dau, dai dac, dai hau
va cham » va chat, va tham

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y ((lang xa) or (lang ha)) hoi. hieu va cham xuc ((va thanh) OR (va tinh)) dai dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y ((lang xa) OR (lang ha)) hoi. hieu va cham xuc ((va thanh) OR (va tinh)) dai dau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y ((lang xa) or (lang ha)) hoi. hieu va cham xuc ((va thanh) OR (va tinh)) dai dau tren".
• Adding a wildcard symbol may retrieve word variants: thuat sach y ((lang xa) or (lang ha)) hoi. hieu va cham xuc ((va thanh) OR (va tinh)) dai dau tren*.